| Code Name | City Name | Airport Name | Airport Country |
| NAA | Narrabri | Narrabri | Australia |
| NAB | Albany | Albany NAS | USA, GA |
| NAC | Naracoorte | Naracoorte | Australia |
| NAD | Macanal | Macanal | Colombia |
| NAE | Natitingou | Natitingou | Benin |
| NAF | Banaina | Banaina | Indonesia |
| NAG | Nagpur | Sonegaon | India |
| NAH | Naha | Naha | Indonesia |
| NAI | Annai | Annai | Guyana |
| NAJ | Nakhichevan | Nakhichevan | Azerbaijan |
| NAK | Nakhon Ratchasima | Nakhon Ratchasima | Thailand |
| NAL | Nalchik | Nalchik | Russia |
| NAM | Namlea | Namlea | Indonesia |
| NAN | Nadi | International | Fiji |
| NAO | Nanchong | Nanchong | PR China |
| NAP | Naples | Naples | Italy |
| NAQ | Qaanaaq | Qaanaaq | Greenland |
| NAR | Nare | Nare | Colombia |
| NAS | Nassau | Nassau International | Bahamas |
| NAT | Natal | Augusto Severo | Brazil |
| NAU | Napuka Island | Napuka Island | French Polynesia |
| NAV | Nevsehir | Nevsehir | Turkey |
| NAW | Narathiwat | Narathiwat | Thailand |
| NAX | Barbers Point | Barbers Point | USA, HI |
| NAY | Beijing | Nanyuan Airport | PR China |
| NBA | Nambaiyufa | Nambaiyufa | Papua New Guinea |
| NBB | Barrancominas | Barrancominas | Colombia |
| NBC | Naberevnye Chelny | Naberevnye Chelny | Russia |
| NBG | New Orleans | NAS/Alvin Callendar | USA, LA |
| NBH | Nambucca Heads | Nambucca Heads | Australia |
| NBL | San Blas | San Blas | Panama |
| NBO | Nairobi | Jomo Kenyatta International | Kenya |
| NBP | New York | Battery Park City/N. Cov | USA, NY |
| NBR | Nambour | Nambour | Australia |
| NBU | Glenview | NAS | USA, IL |
| NBV | Cana Brava | Cana Brava | Brazil |
| NBW | Guantanamo | Guantanamo NAS | Cuba |
| NBX | Nabire | Nabire | Indonesia |
| NCA | North Caicos | North Caicos | Turks and Caicos Is |
| NCE | Nice | Cote D'Azur | France |
| NCG | Nueva Casas Grandes | Nueva Casas Grandes | Mexico |
| NCH | Nachingwea | Nachingwea | Tanzania |
| NCI | Necocli | Necocli | Colombia |
| NCL | Newcastle | Newcastle Airport | United Kingdom |
| NCN | New Chenega | New Chenega | USA, AK |
| NCO | Quonset Point | NAS | USA, RI |
| NCP | Luzon Island | Cubi Pt NAS | Philippines |
| NCQ | Marietta | Atlanta NAS | USA, GA |
| NCR | San Carlos | San Carlos | Nicaragua |
| NCS | Newcastle | Newcastle | South Africa |
| NCT | Nicoya | Guanacaste | Costa Rica |
| NCU | Nukus | Nukus | Uzbekistan |
| NCY | Annecy | Annecy-Meythe | France |
| NDA | Bandanaira | Bandanaira | Indonesia |
| NDB | Nouadhibou | Nouadhibou | Mauritania |
| NDC | Nanded | Nanded | India |
| NDD | Sumbe | Sumbe | Angola |
| NDE | Mandera | Mandera | Kenya |
| NDF | Ndalatandos | Ndalatandos | Angola |
| NDG | Qiqihar | Qiqihar | PR China |
| NDI | Namudi | Namudi | Papua New Guinea |
| NDJ | Ndjamena | Ndjamena | Chad |
| NDK | Namdrik Island | Namdrik Island | Marshall Islands |
| NDL | Ndele | Ndele | Central African Republic |
| NDM | Mendi | Mendi | Ethiopia |
| NDN | Nadunumu | Nadunumu | Papua New Guinea |
| NDP | Pensacola | Ellyson NAS | USA, FL |
| NDR | Nador | Nador | Morocco |
| NDS | Sandstone | Sandstone | Australia |
| NDU | Rundu | Rundu | Namibia |
| NDV | Anacostia | USN Heliport | USA, DC |
| NDY | Sanday | Sanday | United Kingdom |
| NDZ | Nordholz-Spieka | Cuxhaven | Germany |
| NEA | Glynco | NAS | USA, GA |
| NEC | Necochea | Necochea | Argentina |
| NEF | Neftekamsk | Neftekamsk | Russia |
| NEG | Negril | Negril | Jamaica |
| NEJ | Nejjo | Nejjo | Ethiopia |
| NEK | Nekemt | Nekemt | Ethiopia |
| NEL | Lakehurst | Naec | USA, NJ |
| NEN | Whitehouse | Olf Usn | USA, FL |
| NER | Neryungri | Neryungri | Russia |
| NES | New York | East 34th St Landing | USA, NY |
| NET | New Bight | New Bight | Bahamas |
| NEU | Sam Neua | Sam Neua | Lao PDR |
| NEV | Nevis | Newcastle | St. Kitts And Nevis |
| NEW | New Orleans | Lakefront | USA, LA |
| NFB | Mt Clemens | Detroit NAF | USA, MI |
| NFG | Nefteyugansk | Nefteyugansk | Russia |
| NFL | Fallon | NAS | USA, NV |
| NFO | Niuafo'ou | Mata'aho | Tonga |
| NFR | Nafoora | Nafoora | Libya |
| NGA | Young | Young | Australia |
| NGB | Ningbo | Ningbo | PR China |
| NGC | Grand Canyon | North Rim | USA, AZ |
| NGD | Anegada | Anegada | British Virgin Islands |
| NGE | Ngaoundere | Ngaoundere | Cameroon |
| NGI | Ngau Island | Ngau Island | Fiji |
| NGL | Ngala | Ngala Airfield | South Africa |
| NGM | Guam | Agana NAS | Guam |
| NGN | Nargana | Nargana | Panama |
| NGO | Nagoya | Komaki AFB | Japan |
| NGP | Corpus Christi | NAS | USA, TX |
| NGR | Ningerum | Ningerum | Papua New Guinea |
| NGS | Nagasaki | Nagasaki | Japan |
| NGU | Norfolk | NAS Chambers | USA, VA |
| NGV | Ngiva | Ngiva | Angola |
| NGW | Corpus Christi | Cabaniss Field | USA, TX |
| NGX | Manang | Manang | Nepal |
| NGZ | Alameda | NAS | USA, CA |
| NHA | Nha Trang | Nha Trang | Viet Nam |
| NHD | Minhad Ab | Military Airport | United Arab Emirates |
| NHF | New Halfa | New Halfa | Sudan |
| NHK | Patuxent River | NAS | USA, MD |
| NHS | Nushki | Nushki | Pakistan |
| NHT | Northolt | Northolt | United Kingdom |
| NHV | Nuku Hiva | Nuku Hiva | French Polynesia |
| NHX | Foley | Barin OLF Osn | USA, AL |
| NHZ | Brunswick | NAS | USA, ME |
| NIA | Nimba | Nimba | Liberia |
| NIB | Nikolai | Nikolai | USA, AK |
| NIC | Nicosia | Nicosia | Cyprus |
| NIE | Niblack | Niblack | USA, AK |
| NIF | Nifty | Nifty | Australia |
| NIG | Nikunau | Nikunau | Kiribati |
| NIK | Niokolo Koba | Niokolo Koba | Senegal |
| NIM | Niamey | Niamey | Niger |
| NIN | Ninilchik | Ninilchik | USA, AK |
| NIO | Nioki | Nioki | Congo (DRC) |
| NIP | Jacksonville | Jacksonville NAS | USA, FL |
| NIR | Beeville | Chase Field NAS | USA, TX |
| NIS | Simberi Island | Simberi | Papua New Guinea |
| NIT | Niort | Niort | France |
| NIX | Nioro | Nioro | Mali |
| NJA | Atsugi | NAS | Japan |
| NJC | Nizhnevartovsk | Nizhnevartovsk | Russia |
| NJK | El Centro | NAF | USA, CA |
| NJK | Imperial | NAF | USA, CA |
| NKA | Nkan | Nkan | Gabon |
| NKB | Noonkanbah | Noonkanbah | Australia |
| NKC | Nouakchott | Nouakchott | Mauritania |
| NKD | Sinak | Sinak | Indonesia |
| NKG | Nanking/Nanjing | Nanking/Nanjing | PR China |
| NKI | Naukiti | Naukiti | USA, AK |
| NKL | Nkolo | Nkolo | Congo (DRC) |
| NKN | Nankina | Nankina | Papua New Guinea |
| NKS | Nkongsamba | Nkongsamba | Cameroon |
| NKU | Nkaus | Nkaus | Lesotho |
| NKV | Nichen Cove | Nichen Cove | USA, AK |
| NKX | San Diego | Miramar NAS | USA, CA |
| NKY | Nkayi | Nkayi | Congo (ROC) |
| NLA | Ndola | Ndola | Zambia |
| NLC | Lemoore | NAS/Reeves Field | USA, CA |
| NLD | Nuevo Laredo | International Quetzalcoatl | Mexico |
| NLE | Niles | Jerry Tyler Memorial | USA, MI |
| NLF | Darnley Island | Darnley Island | Australia |
| NLG | Nelson Lagoon | Nelson Lagoon | USA, AK |
| NLK | Norfolk Island | Norfolk Island | Norfolk Island |
| NLL | Nullagine | Nullagine | Australia |
| NLO | Kinshasa | N'Dolo | Congo (DRC) |
| NLP | Nelspruit | Nelspruit | South Africa |
| NLS | Nicholson | Nicholson | Australia |
| NLU | Mexico City | Santa Lucia | Mexico |
| NLV | Nikolaev | Nikolaev | Ukraine |
| NMA | Namangan | Namangan | Uzbekistan |
| NMB | Daman | Daman | India |
| NMC | Norman's Cay | Norman's Cay | Bahamas |
| NME | Nightmute | Nightmute | USA, AK |
| NMG | San Miguel | San Miguel | Panama |
| NMN | Nomane | Nomane | Papua New Guinea |
| NMP | New Moon | New Moon | Australia |
| NMR | Nappa Merry | Nappa Merry | Australia |
| NMS | Namsang | Namsang | Myanmar |
| NMT | Namtu | Namtu | Myanmar |
| NMU | Namu | Namu | Marshall Islands |
| NNA | Kenitra | NAF | Morocco |
| NNB | Santa Ana | Santa Ana | Solomon Islands |
| NND | Nangade | Nangade | Mozambique |
| NNG | Nanning | Nanning | PR China |
| NNI | Namutoni | Namutoni | Namibia |
| NNK | Naknek | Naknek | USA, AK |
| NNL | Nondalton | Nondalton | USA, AK |
| NNM | Naryan-Mar | Naryan-Mar | Russia |
| NNR | Spiddal | Connemara | Ireland |
| NNT | Nan | Nan | Thailand |
| NNU | Nanuque | Nanuque | Brazil |
| NNX | Nunukan | Nunukan | Indonesia |
| NNY | Nanyang | Nanyang | PR China |
| NOA | Nowra | Nowra | Australia |
| NOB | Nosara Beach | Nosara Beach | Costa Rica |
| NOC | Knock | Knock International | Ireland |
| NOD | Norden | Norden | Germany |
| NOE | Norddeich | Norddeich | Germany |
| NOG | Nogales | Nogales | Mexico |
| NOH | Chicago | Chicago NAS | USA, IL |
| NOI | Novorossijsk | Novorossijsk | Russia |
| NOJ | Nojabrxsk | Nojabrxsk | Russia |
| NOK | Nova Xavantina | Nova Xavantina | Brazil |
| NOL | Nakolik River | Nakolik River | USA, AK |
| NOM | Nomad River | Nomad River | Papua New Guinea |
| NON | Nonouti | Nonouti | Kiribati |
| NOO | Naoro | Naoro | Papua New Guinea |
| NOP | Mactan Island | Nab | Philippines |
| NOR | Nordfjordur | Nordfjordur | Iceland |
| NOS | Nossi-be | Fascene | Madagascar |
| NOT | Novato | Novato | USA, CA |
| NOU | Noumea | Tontouta | New Caledonia |
| NOV | Huambo | Huambo | Angola |
| NOZ | Novokuznetsk | Novokuznetsk | Russia |
| NPA | Pensacola | Pensacola NAS | USA, FL |
| NPE | Napier-Hastings | Hawkes Bay | New Zealand |
| NPG | Nipa | Nipa | Papua New Guinea |
| NPH | Nephi | Nephi | USA, UT |
| NPL | New Plymouth | New Plymouth | New Zealand |
| NPO | Nangapinoh | Nangapinoh | Indonesia |
| NPP | Napperby | Napperby | Australia |
| NPT | Newport | State | USA, RI |
| NPU | San Pedro Uraba | San Pedro Uraba | Colombia |
| NQA | Memphis | NAS | USA, TN |
| NQI | Kingsville | NAS | USA, TX |
| NQL | Niquelandia | Niquelandia | Brazil |
| NQN | Neuquen | Neuquen | Argentina |
| NQT | Nottingham | Nottingham Airport | United Kingdom |
| NQU | Nuqui | Nuqui | Colombia |
| NQX | Key West | NAS | USA, FL |
| NQY | Newquay | St Mawgan | United Kingdom |
| NRA | Narrandera | Narrandera | Australia |
| NRB | Mayport | Ns | USA, FL |
| NRC | Crows Landing | Aux Field | USA, CA |
| NRD | Norderney | Norderney | Germany |
| NRE | Namrole | Namrole | Indonesia |
| NRG | Narrogin | Narrogin | Australia |
| NRI | Shangri-la | Shangri-la | USA, OK |
| NRK | Norrkoping | Kungsangen | Sweden |
| NRL | North Ronaldsay | North Ronaldsay | United Kingdom |
| NRM | Nara | Nara | Mali |
| NRQ | N'Riquinha | N'Riquinha | Angola |
| NRR | Roosevelt Roads | Roosevelt NAS | Puerto Rico |
| NRS | Imperial Beach | NAS | USA, CA |
| NRT | Tokyo | Narita | Japan |
| NRV | Guam | Uscg Shore St | Guam |
| NRY | Newry | Newry | Australia |
| NSA | Noosa | Noosa | Australia |
| NSB | Bimini | North SPB | Bahamas |
| NSE | Milton | Whiting Field NAS | USA, FL |
| NSF | Camp Springs | Andrews NAF | USA, MD |
| NSH | Now Shahr | Now Shahr | Iran |
| NSI | Yaounde | Nsimalen | Cameroon |
| NSK | Noril'sk | Noril'sk | Russia |
| NSM | Norseman | Norseman | Australia |
| NSN | Nelson | Nelson | New Zealand |
| NSO | Scone | Scone | Australia |
| NSP | Sangley Point | NAF | Philippines |
| NST | Nakhon Si Thammarat | Nakhon Si Thammarat | Thailand |
| NSV | Noosaville | Noosaville | Australia |
| NSX | N. Sound/Virgin Gorda | Hovercraft/Launch Pt | British Virgin Islands |
| NSY | Sigonella | Sigonella NAF | Italy |
| NTA | Natadola | Natadola | Fiji |
| NTB | Notodden | Notodden | Norway |
| NTC | Santa Carolina | Santa Carolina | Mozambique |
| NTD | Port Hueneme | Point Mugu NAS | USA, CA |
| NTE | Nantes | Nantes Atlantique | France |
| NTG | Nantong | Nantong | PR China |
| NTI | Bintuni | Bintuni | Indonesia |
| NTJ | Manti | Manti-Ephraim | USA, UT |
| NTL | Newcastle | Williamtown | Australia |
| NTM | Miracema Do Norte | Miracema Do Norte | Brazil |
| NTN | Normanton | Normanton | Australia |
| NTO | Santo Antao | Santo Antao | Cape Verde |
| NTR | Monterrey | Aeropuerto Del Norte | Mexico |
| NTT | Niuatoputapu | Kuini Lavenia | Tonga |
| NTU | Oceana | NAS | USA, VA |
| NTX | Natuna Ranai | Natuna Ranai | Indonesia |
| NTY | Sun City | Pilansberg | South Africa |
| NUB | Numbulwar | Numbulwar | Australia |
| NUD | En Nahud | En Nahud | Sudan |
| NUG | Nuguria | Nuguria | Papua New Guinea |
| NUH | Nunchia | Nunchia | Colombia |
| NUI | Nuiqsut | Nuiqsut | USA, AK |
| NUK | Nukutavake | Nukutavake | French Polynesia |
| NUL | Nulato | Nulato | USA, AK |
| NUN | Pensacola | Saufley NAS | USA, FL |
| NUP | Nunapitchuk | Nunapitchuk | USA, AK |
| NUQ | Mountain View | Moffett Field | USA, CA |
| NUR | Nullarbor | Nullarbor | Australia |
| NUS | Norsup | Norsup | Vanuatu |
| NUT | Nutuve | Nutuve | Papua New Guinea |
| NUU | Nakuru | Nakuru | Kenya |
| NUW | Whidbey Island | Ault Field | USA, WA |
| NUX | Novy Urengoy | Novy Urengoy | Russia |
| NVA | Neiva | La Marguita | Colombia |
| NVD | Nevada | Nevada | USA, MO |
| NVG | Nueva Guinea | Nueva Guinea | Nicaragua |
| NVK | Narvik | Framnes | Norway |
| NVP | Novo Aripuana | Novo Aripuana | Brazil |
| NVR | Novgorod | Novgorod | Russia |
| NVS | Nevers | Nevers | France |
| NVT | Navegantes | Navegantes | Brazil |
| NVY | Neyveli | Neyveli | India |
| NWA | Moheli | Moheli | Comoros |
| NWH | Newport | Parlin Field | USA, NH |
| NWI | Norwich | Norwich Airport | United Kingdom |
| NWP | Argentia | Great Circle Airport NS | Canada |
| NWS | New York | Pier 11/Wall St. SPB | USA, NY |
| NWT | Nowata | Nowata | Papua New Guinea |
| NWU | Hamilton | Bermuda NAS | Bermuda |
| NXX | Willow Grove | Willow Grove NAS | USA, PA |
| NYC | New York | Metropolitan Area | USA, NY |
| NYE | Nyeri | Nyeri | Kenya |
| NYG | Quantico | Quantanico NAS | USA, VA |
| NYI | Sunyani | Sunyani | Ghana |
| NYK | Nanyuki | Nanyuki | Kenya |
| NYM | Nadym | Nadym | Russia |
| NYN | Nyngan | Nyngan | Australia |
| NYO | Stockholm | Skavsta | Sweden |
| NYU | Nyaung-u | NyaungU | Myanmar |
| NZA | Nzagi | Nzagi | Angola |
| NZC | Jacksonville | Cecil Field NAS | USA, FL |
| NZE | Nzerekore | Nzerekore | Guinea |
| NZO | Nzoia | Nzoia | Kenya |
| NZW | South Weymouth | South Weymouth | USA, MA |
| NZY | San Diego | North Island NAS | USA, CA |